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Juan is studying fossils. His teacher wrote the following statements on the board and asked the students to put them in the correct order to describe how fossils are formed. 1. Minerals seep into the organism’s body and replace it with stone. 2. The
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
How do scientists use fossils to determine the relative ages of rock layers?
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
A geologist is studying three layers of sedimentary rock in an area. The layers have not shifted from their original positions. The geologist records the relative ages of the rocks. The bottom layer is listed as the oldest. The top layer is listed as
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
The fossil record contains fossils from many geologic ages. Fossils enable scientists to piece together what ancient organisms looked like. Which of these answers best describes how fossils in the fossil record are classified?
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
Which property of fossils allows scientists to determine the relative ages of rock layers?
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
Fossils of the same plants and animal species have been found on continents that are separated by the Atlantic Ocean. Which of the following statements does this observation support?
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
Which type of evidence acts as a record of changes in species over time and indicates major changes in Earth’s surface and climate?
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
Which of these statements is true of the fossil record?
Fossils show change over time as species evolve.
by determining the positions of fossils in many different rock layers
3,4,1,2
by ages and physical similarities
the law of superposition
Newer layers contain organisms more similar to modern-day organisms than do older layers.
The continents that are now separated by the Atlantic Ocean once formed a single landmass.
fossil record
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